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I am looking for another option than the time & pitch maschine in Logic.

I really like the IRCAM Stretch Oscillator in Machfive. However, how do I change the bpm in absolute numbers? Meaning, I have acapella that's 100BPM and I want to change it to 110BPM.

I use a metronome.


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MIDI Life Crisis wrote:I use a metronome.

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Is it a function? Not sure what you mean. Here is an image of what options that are available

No, I mean a real metronome.


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MIDI Life Crisis wrote:No, I mean a real metronome.

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I want to make something 100bpm > 120bpm. How is a metronome going to help me? Have you tried the time & maschine in Logic? You should consult a tutorial because there is no need to use a metronome.

It's what I do when I need to (which is not often). Maybe someone else has the answer you're looking for. MachFive as well as TS IRCAM doesn't use BPM settings. It would be great but they don't.


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If a piece is a certain length at 100BPM, you can calculate its length at 120BPM. Shrink it to match the time. This is just a variation on stretching/shrinking a cue to match a visual or a specific length like a 30" radio spot.

The metronome method works, too. Shrink it to match the clicks in real time. You can also use an app that generates a metronome pulse or click track, I suppose, but I'd just grab the Taktel off the piano.

I am reminded of the flak that Wendy Carlos received when she revealed in an interview how she got the realistic tympani sound for the Clockwork Orange sound track. "We used a tympani". Shock and awe! Sometimes, the simple way is best because it just works, ya know?

mikehalloran wrote:If a piece is a certain length at 100BPM, you can calculate its length at 120BPM. Shrink it to match the time. This is just a variation on stretching/shrinking a cue to match a visual or a specific length like a 30" radio spot.

Nice. Where do I enter the time?

Wasn't she Walter when that interview happened? Whatever...

MIDI Life Crisis wrote:Wasn't she Walter when that interview happened? Whatever...

Walter gave very few interviews. Wendy revealed that info in the Playboy interview years later and discussed the resulting outcry in the Keyboard interview. I never read the Playboy interview but she said that's where she revealed the source of the tympani.

I could be remembering this all wrong.

Focus guys

Where does one enter the time of a sample?

So I will assume that this is not possible then. I will stick with Logic Time & Pitch Machine.

When I want to change the speed of something in MachFive (which is mostly what I use it for, that IRCAM is excellent), I use a calculator to come up with the ratio of the new speed to the old speed.

Going from 100 bpm to 120 bpm is trivial: 120/100 = 1.2. So you double-click on the Speed control and enter 1.20. If you're going from less round numbers, like 72 to 87, that's when you want the calculator to do the division. You only get two decimal places in the speed control, and I do wish it went a little further.

In my work, I often want to fit a certain piece to a certain scene in a film. So I measure the length of the piece and the length of the scene. I use the calculator to convert minutes:seconds to just seconds, do the division, and apply the speed change.

Sometimes I bracket it (if my calculated result is 1.02, I also export 1.01 and 1.03) and see which one actually fits best.